Creating the unique strategy of Onlyfun, Only one leads beyond First one and Number one, upholding the principles of being the only and the best. "Fun" embodies enjoyment, pleasure, and happiness. The low-concentration recombinant human type III collagen protein brand "维壹美（Wei Yimei）" is the direct translation of Onlyfun, while the high-concentration recombinant human type III collagen protein brand "欧俪芳（Ou Lifang）" is the transliteration of Onlyfun+ (where "+" represents high concentration). The "欧俪芳" brand is used for three types of medical devices.